EASY
11th ICSE
IMPORTANT
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A block just begins to slide over a horizontal floor, when pulled by a force of . If we pull it by a force of , the force of friction that will come in to play is :
(a)zero
(b)
(c)
(d)

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Important Questions on Friction
EASY
11th ICSE
IMPORTANT

EASY
11th ICSE
IMPORTANT
A cubical block of mass is held stationary against a rough wall by applying a horizontal force , as shown. Which of the following statements is incorrect?

MEDIUM
11th ICSE
IMPORTANT

MEDIUM
11th ICSE
IMPORTANT
In the figure, a ladder of mass is shown leaning against a wall. It is in static equilibrium making an angle with the horizontal floor. The coefficient of friction between the wall and the ladder is and that between the floor and the ladder is . The normal reaction of the wall on the ladder is and that of the floor is . If the ladder is about to slip, then:

HARD
11th ICSE
IMPORTANT

MEDIUM
11th ICSE
IMPORTANT

MEDIUM
11th ICSE
IMPORTANT

EASY
11th ICSE
IMPORTANT
